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Cisco Bug: CSCvs49865 - PAT_CLUSTER:packet drops at nat-no-xlate-to-pat-pool after 20 mins of imix traffic

Last Modified

Apr 20, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

201.5(23.31) 201.5(23.9) 96.4(0)

Description (partial)

Symptom:
Asymmetric traffic might get dropped with nat-no-xlate-to-pat-pool reason when matching a PAT IP that is used across multiple NAT rules having a combination of specific and 'any' as mapped interfaces.

Conditions:
Return traffic received by a non-owner node matching a PAT IP that is used across multiple NAT rules having a combination of specific and 'any' as mapped interfaces.

For Eg:

nat (in,out) source dynamic src_real_a pat-pool src_map
nat (in,any) source dynamic src_real_b pat-pool src_map
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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